Normalize resx/designer files using vs 2022 (Azure#5755)

* Normalize resx/designer files using vs 2022

* Add editorconfig

Author: StephenWeatherford

.editorconfig

@@ -14,4 +14,12 @@ end_of_line = lf
 indent_size = 2
 charset = utf-8
 trim_trailing_whitespace = true
-insert_final_newline = true
+insert_final_newline = true
+
+[.resx]
+indent_style = space
+end_of_line = lf
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true